Beta RR 125 LC User Manual

BALANCER GEARS
EAS22B1009
REMOVING THE PRIMARY DRIVE GEAR
AND BALANCER GEARS
1. Loosen:
• Primary drive gear nut “1”
T
IP
Place an aluminum plate “a” between the bal-
ancer drive gear “2” and the balancer driven
gear “3”, and then loosen the primary drive gear
nut.
2. Straighten the lock washer tab.
3. Loosen:
• Balancer driven gear nut “1”
T
IP
Place an aluminum plate “a” between the bal-
ancer drive gear “2” and the balancer driven
gear “3”, and then loosen the balancer driven
gear nut.
EAS22B1010
CHECKING THE BALANCER GEARS AND
PRIMARY DRIVE GEAR
1. Check:
• Balancer drive gear
• Balancer driven gear
Cracks/damage/wear → Replace.
2. Check:
• Primary drive gear
Refer to “CHECKING THE PRIMARY DRIVE
GEAR” on page 5-44.
EAS22B1011
INSTALLING THE PRIMARY DRIVE GEAR
AND BALANCER GEARS
1. Install:
• Balancer driven gear “1”
• Lock washer
• Balancer drive gear “2”
• Primary drive gear
• Washer “3”
• Balancer driven gear nut
• Primary drive gear nut
T
IP
• Align the punch mark “a” in the balancer drive
gear “2” with the punch mark “b” in the balancer
driven gear “1”.
• Be sure to install the washer so that its sharp
edge “c” is facing the primary drive gear.
2. Tighten:
• Balancer driven gear nut “1”
• Primary drive gear nut “2”
T
IP
• Place an aluminum plate “a” between the bal-
ancer drive gear “3” and the balancer driven
gear “4”, and then tighten the balancer driven
gear nut.
a
3
1
2
1
a
3
2
T
R
.
.
Balancer driven gear nut
50 Nm (5.0 m·kgf, 36 ft·lbf)
Primary drive gear nut
60 Nm (6.0 m·kgf, 43 ft·lbf)
New
b
a
2
1
c
3

Beta RR 125 LC Specifications

General

Displacement	124.8 cc
Fuel System	Electronic Fuel Injection
Ignition	Electronic
Lubrication	Wet sump
Clutch	Wet multi-disc
Transmission	6-speed
Final Drive	Chain
Seat Height	920 mm
Fuel Tank Capacity	7.5 liters
Starting System	Electric
Front Suspension	Hydraulic fork with ø41 mm shaft
Front Brake	260 mm disc
Rear Brake	Single disc, 220 mm
Engine Type	Liquid-cooled, 4-stroke, single cylinder